Home / 132,076.42-198,012.30-43,274.50

Finding the Fourth Proportional to 132,076.42, 198,012.30 and 43,274.50

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Solution

The fourth proportional to 132,076.42, 198,012.30 and 43,274.50 is: 64,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,076.42 : 198,012.30 = 43,274.50 : x
  2. Step 2: Convert to fraction form
    132,076.42/198,012.30 = 43,274.50/x
  3. Step 3: Cross multiply
    132,076.42x = 198,012.30 × 43,274.50
  4. Step 4: Simplify right side
    132,076.42x = 8,568,883,276.35
  5. Step 5: Solve for x
    x = 8,568,883,276.35/132,076.42
  6. Step 6: Final answer
    x = 64,878.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.